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Sublethal effects of spinosad on some biochemical parameters of Xanthogaleruca luteola (Müller) (Coleoptera: Chrysomelidae)

Author

Listed:
  • Bahareh MOHAMMADZADEH TAMAM

    (Department of Plant Protection, Faculty of Agricultural Science, University of Guilan, Rasht, Iran)

  • Mohammad GHADAMYARI

    (Department of Plant Protection, Faculty of Agricultural Science, University of Guilan, Rasht, Iran)

  • Ahad SAHRAGARD

    (Department of Plant Protection, Faculty of Agricultural Science, University of Guilan, Rasht, Iran)

  • Azadeh KARIMI-MALATI

    (Department of Plant Protection, Faculty of Agricultural Science, University of Guilan, Rasht, Iran)

Abstract

The effect of spinosad on some biochemical characteristics of Xanthogaleruca luteola was investigated. LC30 and LC50 of spinosad for the third instar larvae were determined as 1.6 and 2.9 ppm, respectively. Biochemical tests were carried out on the 3rd instar larvae treated with LC30 and LC50 of spinosad. The LC30 concentration decreased carbohydrate and glycogen content and increased lipid content significantly. There was a significant decrease in carbohydrate, glycogen, and protein contents following the exposure to LC50 concentration. Available energy of the larvae exposed to LC30 of spinosad increased significantly, whereas it decreased significantly at LC50. However, the energy consumed was increased at both concentrations significantly. Cellular energy allocation of larvae treated with LC50 concentrations of spinosad decreased significantly. Glutathione-S-transferase and esterase activities were increased significantly at LC50. However, lipase activity was decreased at both concentrations.

Suggested Citation

  • Bahareh MOHAMMADZADEH TAMAM & Mohammad GHADAMYARI & Ahad SAHRAGARD & Azadeh KARIMI-MALATI, 2014. "Sublethal effects of spinosad on some biochemical parameters of Xanthogaleruca luteola (Müller) (Coleoptera: Chrysomelidae)," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 50(4), pages 199-206.
    • Handle: RePEc:caa:jnlpps:v:50:y:2014:i:4:id:20-2014-pps
    DOI: 10.17221/20/2014-PPS
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    References listed on IDEAS

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    1. Frouzan Piri & Ahad Sahragard & Mohammad Ghadamyari, 2014. "Sublethal effects of spinosad on some biochemical and biological parameters of Glyphodes pyloalis Walker (Lepidoptera: Pyralidae)," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 50(3), pages 135-144.
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